1 /* Copyright 2013 The Chromium Authors. All rights reserved. 2 * Use of this source code is governed by a BSD-style license that can be 3 * found in the LICENSE file. 4 */ 5 6 /** 7 * This file defines the <code>PPB_TextInputController</code> interface. 8 */ 9 10 label Chrome { 11 M30 = 1.0 12 }; 13 14 /** 15 * PP_TextInput_Type is used to indicate the status of a plugin in regard to 16 * text input. 17 */ 18 [assert_size(4)] 19 enum PP_TextInput_Type { 20 /** 21 * Input caret is not in an editable mode, no input method shall be used. 22 */ 23 PP_TEXTINPUT_TYPE_NONE = 0, 24 /** 25 * Input caret is in a normal editable mode, any input method can be used. 26 */ 27 PP_TEXTINPUT_TYPE_TEXT = 1, 28 /** 29 * Input caret is in a password box, an input method may be used only if 30 * it's suitable for password input. 31 */ 32 PP_TEXTINPUT_TYPE_PASSWORD = 2, 33 PP_TEXTINPUT_TYPE_SEARCH = 3, 34 PP_TEXTINPUT_TYPE_EMAIL = 4, 35 PP_TEXTINPUT_TYPE_NUMBER = 5, 36 PP_TEXTINPUT_TYPE_TELEPHONE = 6, 37 PP_TEXTINPUT_TYPE_URL = 7 38 }; 39 40 /** 41 * <code>PPB_TextInputController</code> provides a set of functions for giving 42 * hints to the browser about the text input status of plugins, and functions 43 * for controlling input method editors (IMEs). 44 */ 45 interface PPB_TextInputController { 46 /** 47 * Informs the browser about the current text input mode of the plugin. 48 * Typical use of this information in the browser is to properly 49 * display/suppress tools for supporting text inputs (such as virtual 50 * keyboards in touch screen based devices, or input method editors often 51 * used for composing East Asian characters). 52 */ 53 void SetTextInputType([in] PP_Instance instance, 54 [in] PP_TextInput_Type type); 55 56 /** 57 * Informs the browser about the coordinates of the text input caret area. 58 * Typical use of this information in the browser is to layout IME windows 59 * etc. 60 */ 61 void UpdateCaretPosition([in] PP_Instance instance, 62 [in] PP_Rect caret); 63 64 /** 65 * Cancels the current composition in IME. 66 */ 67 void CancelCompositionText([in] PP_Instance instance); 68 69 /** 70 * Informs the browser about the current text selection and surrounding 71 * text. <code>text</code> is a UTF-8 string that contains the current range 72 * of text selection in the plugin. <code>caret</code> is the byte-index of 73 * the caret position within <code>text</code>. <code>anchor</code> is the 74 * byte-index of the anchor position (i.e., if a range of text is selected, 75 * it is the other edge of selection different from <code>caret</code>. If 76 * there are no selection, <code>anchor</code> is equal to <code>caret</code>. 77 * 78 * Typical use of this information in the browser is to enable "reconversion" 79 * features of IME that puts back the already committed text into the 80 * pre-commit composition state. Another use is to improve the precision 81 * of suggestion of IME by taking the context into account (e.g., if the caret 82 * looks to be on the beginning of a sentence, suggest capital letters in a 83 * virtual keyboard). 84 * 85 * When the focus is not on text, call this function setting <code>text</code> 86 * to an empty string and <code>caret</code> and <code>anchor</code> to zero. 87 * Also, the plugin should send the empty text when it does not want to reveal 88 * the selection to IME (e.g., when the surrounding text is containing 89 * password text). 90 */ 91 void UpdateSurroundingText([in] PP_Instance instance, 92 [in] PP_Var text, 93 [in] uint32_t caret, 94 [in] uint32_t anchor); 95 }; 96
